Tray3 Paper Take-Up Section/Vertical Transport Section Misfeed (Pc-102/Pc-202) - Konica Minolta bizhub C450 Service Manual

7. Jam Display
7.3.2 Tray3 Paper Take-Up section/Vertical Transport section misfeed
(PC-102/PC-202)
A. Detection timing
Type
The leading edge of the paper does not block the Tray3 Vertical Transport Sensor
(PC117-PF) even after the set period of time has elapsed after the Tray3 Paper
Feed Motor (M122-PF) is energized.
Tray3 Paper Take-
Up section/Vertical The Tray 2 Vertical Transport Sensor (PC108) is not blocked even after the lapse
transport section of a given period of time after the Tray3 Vertical Transport Sensor (PC117-PF) has
misfeed detection been blocked by a paper.
The Tray 3 Vertical Transport Sensor (PC117-PF) is not unblocked even after the
lapse of a given period of time after PC117-PF has been blocked by a paper.
The Tray3 Vertical Transport Sensor (PC117-PF) is blocked when the Main Power
Switch is set to ON, a door or cover is opened and closed, or a misfeed or mal-
Tray3
function is reset.
detection of paper
The Tray3 Paper Take-Up Sensor (PC116-PF) is blocked when the Main Power
remaining
Switch is set to ON, a door or cover is opened and closed, or a misfeed or mal-
function is reset.
B. Action
Tray3 Paper Take-Up Sensor (PC116-PF)
Tray3 Vertical Transport Sensor (PC117-PF)
Tray2 Vertical Transport Sensor (PC108)
Tray3 Paper Feed Motor (M122-PF)
Step
1 Initial check items
2 PC116-PF I/O, sensor check
3 PC117-PF I/O, sensor check
4 PC108 I/O, sensor check
5 M122-PF operation check
6 PWB-C2 PF replacement
22
Relevant electrical parts
Action
PWB-C2 PF PJ6C2 PF-8 (ON)
PWB-C2 PF PJ6C2 PF-11 (ON)
Field Service Ver. 1.0 Mar. 2005
Description
Main Control Board (PWB-C2 PF)
WIRING DIAGRAM
Control signal
—
PWB-Z PJ6Z-11 (ON)
—
—
Location
(Electrical compo-
nents)
—
PC202 C-4
PC202 C-4
C450 T to U-27
—
—